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A Generic Approach for Designing Multi-Sensor 3D Video Capture Systems

机译:一种设计多传感器三维视频采集系统的通用方法

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摘要

The increased availability of 3D devices on the market raises the interest in 3D technologies. A lot of research is going on to advance the current 3D technology and integrate it into market products. Video gaming, displays, cameras, and transmission systems are some examples of such products. However, all of these products use different input 3D video formats. For instance, there are many types of 3D displays that work with different inputs like stereo video, video plus depth map or multi-view video. To provide input for these displays, the development of adequate 3D video capture systems is required. 3D video capture systems in general consist of multiple cameras. They also include tools for interfacing the cameras, synchronizing the captured video and compensating the physical disorientation effect of assembly process over hardware devices. A drawback of the current approaches for data capture is that each of them is suitable only for a specific display type or specific application. Capture systems should be re-designed for each of them particularly. There is no single solution that can provide 3D streams for the multitude of 3D technologies. The main objective of this thesis is to develop a generic solution that can be used with different camera array topologies. A system is developed to interface multiple cameras remotely and capture video from them synchronously in real-time data acquisition. Several computers are used to interface multiple cameras and a physical network is setup to build communication lines between the computers. A client-server software is implemented to interface the cameras remotely. The number of cameras is scalable with the flexibility of software and hardware of the system. This approach can handle integration of different video camera models. Moreover, the system supports integration of depth capture devices, which delivers depth information of the scene in real time. Calibration and rectification of the proposed multi-sensor camera array setup are supported.
机译:市场上3D设备可用性的提高引起了人们对3D技术的兴趣。正在进行大量研究以推进当前的3D技术并将其集成到市场产品中。视频游戏,显示器,照相机和传输系统是此类产品的一些示例。但是,所有这些产品都使用不同的输入3D视频格式。例如,有许多类型的3D显示器可与不同的输入配合使用,例如立体声视频,视频加深度图或多视图视频。为了为这些显示器提供输入,需要开发适当的3D视频捕获系统。 3D视频捕获系统通常由多个摄像机组成。它们还包括用于连接摄像头,同步捕获的视频并补偿硬件设备上组装过程的物理定向错误的工具。当前用于数据捕获的方法的缺点在于它们中的每一种仅适用于特定的显示类型或特定的应用。捕获系统应特别针对每个系统进行重新设计。没有单一的解决方案可以为多种3D技术提供3D流。本文的主要目的是开发一种可与不同相机阵列拓扑一起使用的通用解决方案。开发了一种系统以远程连接多个摄像机,并在实时数据采集中同步捕获它们的视频。多台计算机用于连接多个摄像机,并设置了物理网络以在计算机之间建立通信线路。实施了客户端-服务器软件以远程连接摄像机。摄像机的数量可以随着系统软件和硬件的灵活性而扩展。这种方法可以处理不同型号的摄像机的集成。此外,该系统支持深度捕获设备的集成,可实时提供场景的深度信息。支持对建议的多传感器摄像机阵列设置进行校准和校正。

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    Karaoglu Ali;

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  • 年度 2011
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